In OpenLaszlo context menus are attached to a single view. If an object on the screen is composed from multiple views the context menu must be attach to each of these views. This was a problem for me because I had screen objects composed from over 20 views each, and assigning a context menu to [...]
Entries from July 27th, 2007
OpenLaszlo: optimising for a large number of views
July 22nd, 2007 · 3 Comments · OpenLaszlo
THE PROBLEM I had a serious performance problem with an OpenLaszlo application. The application had a large number of views, most of which were ‘hidden’ at any one time. The views comprised a number of subviews, including an image loaded at runtime. I wanted all views instantiated at startup for quick navigation by the user. [...]
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OpenLaszlo: dynamic tooltip text
July 9th, 2007 · 1 Comment · OpenLaszlo
OpenLaszlo Project Blog » Laszlo Mail tooltip contributed to OpenLaszlo is an old post announcing the availability of tooltip code for OpenLaszlo (go there for a link to the code). I am using this code and it is easy to use and visually elegant. I needed dynamic content for my tooltips. The display text for the [...]
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OpenLaszlo: replacing a “persistent connection” with an idle loop
July 2nd, 2007 · No Comments · OpenLaszlo
The OpenLaszlo documentation states that the persistent connection functionality should not be deployed for production purposes, except for low-volume non-critical applications. This may be in part due to the model of holding an open connection between a server and a client over the Internet. Such solutions typically do not scale well (requiring back end servers [...]
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